223～235 MHz频段离散载波聚合宽带系统频率使用可行性分析
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摘要
为提高223～235 MHz频段频谱的使用效率,满足行业用户宽带应用需求,在该频段引入了离散窄带载波聚合宽带系统。为解决系统间电磁兼容问题,对宽带系统和带内窄带无线数据传输系统进行了单站干扰分析和集总干扰分析,还对宽带系统和带外广播电视系统进行了确定性计算干扰分析。最后,基于干扰计算结果提出了频率使用的可行性建议。
Discrete carrier aggregation broadband systems were introduced in the 223～235 MHz band to improve spectrum utilization efficiency and to meet the broadband application demand of industrial users. The interference between broadband system and in-band narrow band wireless radio were analyzed considering both single station interference and aggregated effect. Also, the interference between broadband system and out-of-band TV broadcasting system were calculated. Finally, the feasibility of frequency usage was proposed based on the interference calculation results.
Discrete carrier aggregation broadband systems were introduced in the 223～235 MHz band to improve spectrum utilization efficiency and to meet the broadband application demand of industrial users. The interference between broadband system and in-band narrow band wireless radio were analyzed considering both single station interference and aggregated effect. Also, the interference between broadband system and out-of-band TV broadcasting system were calculated. Finally, the feasibility of frequency usage was proposed based on the interference calculation results.
引文
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[2]邵炜平,陆阳,李建岐,等.面向电力业务接入的跨频段融合与宽窄一体无线专网[J].电信科学,2018,34(8):167-176.SHAO W P,LU Y,LI J Q,et al.Cross-band fusion and wide-narrow integrated wireless private network oriented electric service access[J].Telecommunications Science,2018,34(8):167-176.
[3]李叶,张琳,杨凯,等.电力无线通信专网的研究与应用[J].通讯世界,2019,26(2):128-129.LI Y,ZHANG L,YANG K,et al.Research and appliance of power wireless private network[J].Telecom World,2019,26(2):128-129.
[4]梁昊伟.基于载波聚合的无线专网频谱共享关键技术研究[D].北京:北京邮电大学,2017.LIANG H W.Research on key technologies of spectrum sharing in wireless private network based on carrier aggregation[D].Beijing:Beijing University of Posts and Telecommunications,2017.
[5]闫成超.基于LTE 230的电力无线通信专网分析[J].通信电源技术,2018,35(7):169-170.YAN C C.Analysis of power wireless commucnication network based on LTE 230[J].Telecom Power Technology,2018,35(7):169-170.
[6]LI M X,FENG Y J,LIU X H,et al.Research and application of carrier aggregation technology in smart grid[C]//4th International Conference on Machinery,Materials and Computing Technology,January 23-24,2016,Hangzhou,China.Paris:Atlantis Press,2016.
[7]工业和信息化部.关于调整223~235 MHz频段无线数据传输系统频率使用规划的通知[EB].2018.MIIT.Notice on the adjustment of frequency use of wireless data transmission system in 223~235 MHz[EB].2018
[8]SUN C Y,JIANG J,HUANG L,et al.Component carrier selection and interference coordination for carrier aggregation system in heterogeneous networks[C]//IEEE International Conference on Communication Technology,Nov 9-11,2013,Chengdu,China.Piscataway:IEEE Press,2013.
[9]潘博,唐星,齐世强.LTE 230 MHz电力无线专网KQI指标优化研究[J].信息通信,2018(7):184-187.PAN B,TANG X,QI S Q.Research on the KQI index optimization of LTE 230 MHz private wireless access networks for SMARTGRID[J].Information&Communications,2018(7):184-187.
[10]工业和信息化部.中华人民共和国频率划分规定[S].2017.MIIT.Frequency regulations of the People's Republic of China[S].2017
[11]国家无线电管理委员会.关于印发民用超短波遥测、遥控、数据传输业务频段规划的通知[R].1991.The State Radio Regulatory Commission.Notice on frequency plan of telemetry,remote control and data transmission services[R].1991.
[12]电子工业部.数据传输电台通用规范:GB/T 16611-1996[S].1996.MEI.Generic specification for data transceiver:GB/T16611-1996[S].1996.
[13]工业和信息化部.地面数字电视接收机测量方法:GB/T26685-2011[S].2011.MIIT.Methods of measurement for digital terrestrial television receiver:GB/T 26685-2011[S].2011.
[14]CHIANI M,GIORGETTI A.Coexistence between UWB and narrow-band wireless communication systems[J].Proceedings of the IEEE,2009,97(2):231-254.
[15]ITU-R Recommendation.Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000MHz:P.1546-5[S].2013.